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DRA Systems: OR-Objects 1.2.4: Interface  PointIndexI
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<FONT SIZE="-1">
drasys.or.geom</FONT>
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Interface  PointIndexI</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../drasys/or/geom/KDTree.html">KDTree</A></DD>
</DL>
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<DL>
<DT>public interface <B>PointIndexI</B></DL>

<P>
A generic interface to an index with point keys.
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../drasys/or/geom/KDTree.html"><CODE>KDTree</CODE></A></DL>
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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../drasys/or/geom/CoordinateSystemI.html">CoordinateSystemI</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#coordinateSystem()">coordinateSystem</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the coordinate system that the index is using.</TD>
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<CODE>&nbsp;java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#elements()">elements</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an enumeration to access all of the elements in random order.</TD>
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<CODE>&nbsp;java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#get(drasys.or.geom.PointI)">get</A></B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;key)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the value of the element whose key exactly matches 'key'.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>&nbsp;<A HREF="../../../drasys/or/PairI.html">PairI</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#getNearestNeighborTo(drasys.or.geom.PointI)">getNearestNeighborTo</A></B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;point)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the element with the nearest key.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#put(drasys.or.geom.PointI, java.lang.Object)">put</A></B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;key,
    java.lang.Object&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Put a new element into the index.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../drasys/or/geom/RangeI.html">RangeI</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#range()">range</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the range of points in the index.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#removeAllElements()">removeAllElements</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes all of the elements from the index.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#selectedElements()">selectedElements</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an enumeration to access the selected elements in random order.</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#selectNearestNeighbors(drasys.or.geom.PointI, int)">selectNearestNeighbors</A></B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;point,
                       int&nbsp;n)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Select the 'n' elements whose keys are closest to 'point'.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#selectRange(drasys.or.geom.RangeI)">selectRange</A></B>(<A HREF="../../../drasys/or/geom/RangeI.html">RangeI</A>&nbsp;range)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Select the elements whose keys are in the range.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#setCoordinateSystem(drasys.or.geom.CoordinateSystemI)">setCoordinateSystem</A></B>(<A HREF="../../../drasys/or/geom/CoordinateSystemI.html">CoordinateSystemI</A>&nbsp;coordinateSystem)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the coordinate system for the index after first removing all the elements.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#size()">size</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of elements in the index.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#sizeOfSelected()">sizeOfSelected</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of elements selected in the index.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../drasys/or/geom/PointIndexI.html#supportsDuplicateKeys()">supportsDuplicateKeys</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the index can contain duplicate keys.</TD>
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<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Returns the number of elements in the index.</DL>
<HR>

<A NAME="sizeOfSelected()"><!-- --></A><H3>
sizeOfSelected</H3>
<PRE>
public int <B>sizeOfSelected</B>()</PRE>
<DL>
<DD>Returns the number of elements selected in the index.</DL>
<HR>

<A NAME="removeAllElements()"><!-- --></A><H3>
removeAllElements</H3>
<PRE>
public void <B>removeAllElements</B>()</PRE>
<DL>
<DD>Removes all of the elements from the index.</DL>
<HR>

<A NAME="setCoordinateSystem(drasys.or.geom.CoordinateSystemI)"><!-- --></A><H3>
setCoordinateSystem</H3>
<PRE>
public void <B>setCoordinateSystem</B>(<A HREF="../../../drasys/or/geom/CoordinateSystemI.html">CoordinateSystemI</A>&nbsp;coordinateSystem)</PRE>
<DL>
<DD>Sets the coordinate system for the index after first removing all the elements.<DD><DL>
<DT><B>Returns:</B><DD>'null' if the index is not set.</DL>
</DD>
</DL>
<HR>

<A NAME="coordinateSystem()"><!-- --></A><H3>
coordinateSystem</H3>
<PRE>
public <A HREF="../../../drasys/or/geom/CoordinateSystemI.html">CoordinateSystemI</A> <B>coordinateSystem</B>()</PRE>
<DL>
<DD>Returns the coordinate system that the index is using.<DD><DL>
<DT><B>Returns:</B><DD>'null' if the coordinate system is not set.</DL>
</DD>
</DL>
<HR>

<A NAME="supportsDuplicateKeys()"><!-- --></A><H3>
supportsDuplicateKeys</H3>
<PRE>
public boolean <B>supportsDuplicateKeys</B>()</PRE>
<DL>
<DD>Returns true if the index can contain duplicate keys.</DL>
<HR>

<A NAME="put(drasys.or.geom.PointI, java.lang.Object)"><!-- --></A><H3>
put</H3>
<PRE>
public void <B>put</B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;key,
                java.lang.Object&nbsp;value)</PRE>
<DL>
<DD>Put a new element into the index.<DD><DL>
<DT><B>Returns:</B><DD>A PairI interface where PairI.getFirst() returns the key and PairI.getSecond() returns the value.</DL>
</DD>
</DL>
<HR>

<A NAME="get(drasys.or.geom.PointI)"><!-- --></A><H3>
get</H3>
<PRE>
public java.lang.Object <B>get</B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;key)</PRE>
<DL>
<DD>Returns the value of the element whose key exactly matches 'key'.</DL>
<HR>

<A NAME="getNearestNeighborTo(drasys.or.geom.PointI)"><!-- --></A><H3>
getNearestNeighborTo</H3>
<PRE>
public <A HREF="../../../drasys/or/PairI.html">PairI</A> <B>getNearestNeighborTo</B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;point)</PRE>
<DL>
<DD>Returns the element with the nearest key.<DD><DL>
<DT><B>Returns:</B><DD>A PairI interface where PairI.getFirst() returns the key and PairI.getSecond() returns the value.</DL>
</DD>
</DL>
<HR>

<A NAME="selectNearestNeighbors(drasys.or.geom.PointI, int)"><!-- --></A><H3>
selectNearestNeighbors</H3>
<PRE>
public int <B>selectNearestNeighbors</B>(<A HREF="../../../drasys/or/geom/PointI.html">PointI</A>&nbsp;point,
                                  int&nbsp;n)</PRE>
<DL>
<DD>Select the 'n' elements whose keys are closest to 'point'.
A call to this method may invalidate previous selection enumerations.<DD><DL>
<DT><B>Returns:</B><DD>the number of elements selected.</DL>
</DD>
</DL>
<HR>

<A NAME="selectRange(drasys.or.geom.RangeI)"><!-- --></A><H3>
selectRange</H3>
<PRE>
public int <B>selectRange</B>(<A HREF="../../../drasys/or/geom/RangeI.html">RangeI</A>&nbsp;range)</PRE>
<DL>
<DD>Select the elements whose keys are in the range.
A call to this method may invalidate previous selection enumerations.
Calling this method may invalidate any previously returned enumerations.<DD><DL>
<DT><B>Returns:</B><DD>the number of elements selected.</DL>
</DD>
</DL>
<HR>

<A NAME="elements()"><!-- --></A><H3>
elements</H3>
<PRE>
public java.util.Enumeration <B>elements</B>()</PRE>
<DL>
<DD>Returns an enumeration to access all of the elements in random order.<DD><DL>
<DT><B>Returns:</B><DD>An enumeration of PairI interfaces where PairI.getFirst() returns the key and PairI.getSecond() returns the value.</DL>
</DD>
</DL>
<HR>

<A NAME="selectedElements()"><!-- --></A><H3>
selectedElements</H3>
<PRE>
public java.util.Enumeration <B>selectedElements</B>()</PRE>
<DL>
<DD>Returns an enumeration to access the selected elements in random order.<DD><DL>
<DT><B>Returns:</B><DD>An enumeration of PairI interfaces where PairI.getFirst() returns the key and PairI.getSecond() returns the value.</DL>
</DD>
</DL>
<HR>

<A NAME="range()"><!-- --></A><H3>
range</H3>
<PRE>
public <A HREF="../../../drasys/or/geom/RangeI.html">RangeI</A> <B>range</B>()</PRE>
<DL>
<DD>Returns the range of points in the index.</DL>
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